1 /* 2 * 3 * Author: Rafael da Mata Neri <rafael.neri (at) gmail.com> 4 * Copyright (c) 2015 Intel Corporation. 5 * 6 * 7 * Permission is hereby granted, free of charge, to any person obtaining a copy of 8 * this software and associated documentation files (the "Software"), to deal in 9 * the Software without restriction, including without limitation the rights to 10 * use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of 11 * the Software, and to permit persons to whom the Software is furnished to do so, 12 * subject to the following conditions: 13 * 14 * The above copyright notice and this permission notice shall be included in all 15 * copies or substantial portions of the Software. 16 * 17 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR 18 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS 19 * FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR 20 * COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER 21 * IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN 22 * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. 23 */ 24 25 var hx711 = require('jsupm_hx711'); 26 // Instantiate a HX711 data on digital pin D3 and clock on digital pin D2 27 var scale = new hx711.HX711(3, 2); 28 29 setTimeout(function(){ 30 // 2837: value obtained via calibration 31 scale.setScale(2837); 32 scale.tare(2); 33 setInterval(function(){ 34 console.log(scale.getUnits()); 35 }, 1000); 36 }, 1000); 37